1052121100005 has 12 divisors (see below), whose sum is σ = 1823676573420. Its totient is φ = 561131253312.

The previous prime is 1052121099961. The next prime is 1052121100027. The reversal of 1052121100005 is 5000011212501.

It can be written as a sum of positive squares in 2 ways, for example, as 816292373121 + 235828726884 = 903489^2 + 485622^2 .

It is not a de Polignac number, because 1052121100005 - 2⁷ = 1052121099877 is a prime.

It is a super-2 number, since 2×1052121100005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11690234400 + ... + 11690234489.

It is an arithmetic number, because the mean of its divisors is an integer number (151973047785).

Almost surely, 2^{1052121100005} is an apocalyptic number.

1052121100005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052121100005 is a deficient number, since it is larger than the sum of its proper divisors (771555473415).

1052121100005 is a wasteful number, since it uses less digits than its factorization.

1052121100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380468900 (or 23380468897 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 1052121100005 its reverse (5000011212501), we get a palindrome (6052132312506).

The spelling of 1052121100005 in words is "one trillion, fifty-two billion, one hundred twenty-one million, one hundred thousand, five".